Genuine OEM Audi Camshaft Adjustment Valve, part number 06E109257AA. This valve plays a critical role in regulating the engine's camshaft timing, which directly impacts engine performance, fuel efficiency, and emissions. It is typically located near the camshafts in the cylinder head. Weighing 0.182 kg, this is an electro-mechanical solenoid valve. Choosing a genuine OEM camshaft adjustment valve ensures precise control, correct electrical characteristics, and durability, maintaining optimal engine operation and preventing timing-related issues.